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potash alum的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
Noun:
-
a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
potash alum的用法和樣例：
例句
- You can clarify the water by adding a little alum.
你在水里加一點(diǎn)明礬就能使水凈化。 - But chemical mordants such as alum are popular today.
但化學(xué)腐蝕劑如明礬今天已經(jīng)十分普遍。
